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Câu hỏi:
Why was stearin used in candles?
- A. It created a more colorful flame than tallow.
- B. It covered up unpleasant smells in the air.
- C. It was used to get rid of fat in the candles.
- D. It helped make candles burn longer.
Lời giải tham khảo:
Đáp án đúng: D
Đáp án D
Kiến thức: đọc hiểu
Tạm dịch: Tại sao stearin được sử dụng trong nến?
A. Nó tạo ra ngọn lửa nhiều màu sắc hơn so với tallow.
B. Nó che được mùi khó chịu trong không khí.
C. Nó được sử dụng để loại bỏ chất béo trong nến.
D. Nó giúp nến đốt cháy lâu hơn.
Thông tin: Candles that contained stearin would burn longer than previous ones and had a better smell.
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